एपीए उद्धरण

Paul, B. (2007). Future energy: How the new oil industry will change people, politics and portfolios. Hoboken, N.J: John Wiley & Sons.

शिकागो स्टाइल उद्धरण

Paul, Bill. Future Energy: How the New Oil Industry Will Change People, Politics and Portfolios. Hoboken, N.J: John Wiley & Sons, 2007.

एमएलए उद्धरण

Paul, Bill. Future Energy: How the New Oil Industry Will Change People, Politics and Portfolios. Hoboken, N.J: John Wiley & Sons, 2007.